> On Nov 21, 2019, at 3:52 PM, John Donnelly <john.p.donnelly@xxxxxxxxxx> wrote:
>
>
>
>> On Nov 21, 2019, at 1:20 PM, John Donnelly <john.p.donnelly@xxxxxxxxxx> wrote:
>>
>>
>>
>>> On Nov 21, 2019, at 10:59 AM, John Donnelly <john.p.donnelly@xxxxxxxxxx> wrote:
>>>
>>>
>>>
>>>> On Nov 21, 2019, at 10:32 AM, Bhupesh Sharma <bhsharma@xxxxxxxxxx> wrote:
>>>>
>>>>> On Wed, Nov 20, 2019 at 10:03 PM John Donnelly <john.p.donnelly@xxxxxxxxxx> wrote:
>>>>>
>>>>> Hi,
>>>>>
>>>>> Recent test below
>>>>> This is your makedumpfile pulled from sourceforge .
>>>>
>>>> Do you mean github? I don't remember pushing anything to sourceforge.
>>>> Please share the exact branch name and the source URL for the
>>>> makedumpfile you are using
>>>
>>> Hi, You are correct - GitHub - I used your url posted below ; I do not see the arch/arm64.c changes in the zip version I downloaded .
>>>
>>> I am not a GUI/gitlab user. Can you please send a tarball copy of your working makedumpfile CLI via email and I will verify it works.
>>>
>>
>>
>> Hi
>>
>>
>> I was able to fork and clone your work area .
>>
>> I can see makedumpfile works now !
>>
>> Fantastic ;; Thank you for your patience !
>>
>
>
>
> I did some basic unit tests.
>
> This patch for makedumpfile ONLY WORKS on 5.4.0-rc8 kernel.
>
> It does not work with a previous 4.18 kernel.
>
> Is this suppose to be backwards compatible ?
>
>
Your makedumpfile ran on 4.18. kernel debug output :
kdump: saving vmcore
sadump: unsupported architecture
phys_start phys_end virt_start virt_end
LOAD[ 0] 90080000 91f50000 ffff000010080000 ffff000011f50000
LOAD[ 1] 90000000 92000000 ffff800010000000 ffff800012000000
LOAD[ 2] 928c0000 e3e00000 ffff8000128c0000 ffff800063e00000
LOAD[ 3] ffe00000 fffa0000 ffff80007fe00000 ffff80007ffa0000
LOAD[ 4] 880000000 1000000000 ffff800800000000 ffff800f80000000
LOAD[ 5] 8800000000 bff7030000 ffff808780000000 ffff80bf77030000
LOAD[ 6] bff7060000 bff72b0000 ffff80bf77060000 ffff80bf772b0000
LOAD[ 7] bff72f0000 bff8030000 ffff80bf772f0000 ffff80bf78030000
LOAD[ 8] bff8050000 bff8070000 ffff80bf78050000 ffff80bf78070000
LOAD[ 9] bff80d0000 bff8270000 ffff80bf780d0000 ffff80bf78270000
LOAD[10] bff8280000 bff83d0000 ffff80bf78280000 ffff80bf783d0000
LOAD[11] bff8870000 bffc1a0000 ffff80bf78870000 ffff80bf7c1a0000
LOAD[12] bffc1c0000 bffc1d0000 ffff80bf7c1c0000 ffff80bf7c1d0000
LOAD[13] bffe210000 bfffd10000 ffff80bf7e210000 ffff80bf7fd10000
LOAD[14] bfffd40000 bfffd50000 ffff80bf7fd40000 ffff80bf7fd50000
LOAD[15] bfffe00000 c000000000 ffff80bf7fe00000 ffff80bf80000000
Linux kdump
VMCOREINFO :
OSRELEASE=4.18.0-147.el8.aarch64. <<———— 4.18. kernel
PAGESIZE=65536
page_size : 65536
SYMBOL(init_uts_ns)=ffff0000114657a8
SYMBOL(node_online_map)=ffff00001145d320
SYMBOL(swapper_pg_dir)=ffff000010fa0000
SYMBOL(_stext)=ffff000010081000
SYMBOL(vmap_area_list)=ffff0000114ea220
SYMBOL(mem_section)=ffff80bf7be7c600
LENGTH(mem_section)=1024
SIZE(mem_section)=16
OFFSET(mem_section.section_mem_map)=0
SIZE(page)=64
SIZE(pglist_data)=6656
SIZE(zone)=1728
SIZE(free_area)=88
SIZE(list_head)=16
SIZE(nodemask_t)=8
OFFSET(page.flags)=0
OFFSET(page._refcount)=52
OFFSET(page.mapping)=24
OFFSET(page.lru)=8
OFFSET(page._mapcount)=48
OFFSET(page.private)=40
OFFSET(page.compound_dtor)=16
OFFSET(page.compound_order)=17
OFFSET(page.compound_head)=8
OFFSET(pglist_data.node_zones)=0
OFFSET(pglist_data.nr_zones)=5984
OFFSET(pglist_data.node_start_pfn)=5992
OFFSET(pglist_data.node_spanned_pages)=6008
OFFSET(pglist_data.node_id)=6016
OFFSET(zone.free_area)=192
OFFSET(zone.vm_stat)=1552
OFFSET(zone.spanned_pages)=96
OFFSET(free_area.free_list)=0
OFFSET(list_head.next)=0
OFFSET(list_head.prev)=8
OFFSET(vmap_area.va_start)=0
OFFSET(vmap_area.list)=48
LENGTH(zone.free_area)=14
SYMBOL(log_buf)=ffff00001149f670
SYMBOL(log_buf_len)=ffff00001149f668
SYMBOL(log_first_idx)=ffff000011cc574c
SYMBOL(clear_idx)=ffff000011cc5758
SYMBOL(log_next_idx)=ffff000011cc5748
SIZE(printk_log)=16
OFFSET(printk_log.ts_nsec)=0
OFFSET(printk_log.len)=8
OFFSET(printk_log.text_len)=10
OFFSET(printk_log.dict_len)=12
LENGTH(free_area.free_list)=5
NUMBER(NR_FREE_PAGES)=0
NUMBER(PG_lru)=5
NUMBER(PG_private)=12
NUMBER(PG_swapcache)=9
NUMBER(PG_swapbacked)=18
NUMBER(PG_slab)=8
NUMBER(PG_hwpoison)=21
NUMBER(PG_head_mask)=32768
NUMBER(PAGE_BUDDY_MAPCOUNT_VALUE)=-129
NUMBER(HUGETLB_PAGE_DTOR)=2
NUMBER(PAGE_OFFLINE_MAPCOUNT_VALUE)=-257
NUMBER(VA_BITS)=48
NUMBER(MAX_PHYSMEM_BITS)=52
NUMBER(MAX_USER_VA_BITS)=52
NUMBER(kimage_voffset)=0xfffeffff80000000
NUMBER(PHYS_OFFSET)=0x80000000
KERNELOFFSET=0
CRASHTIME=1574425559
phys_base : 80000000 (vmcoreinfo)
max_mapnr : c00000
There is enough free memory to be done in one cycle.
Buffer size for the cyclic mode: 3145728
va_bits : 48 (vmcoreinfo)
page_offset : ffff000000000000 (approximation)
kimage_voffset : fffeffff80000000
max_physmem_bits : 52
section_size_bits: 30
kdump: saving vmcore failed
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